Cheap flights from Kathmandu to Washington, D.C. from $543

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kathmandu to Washington, D.C. departing on 1/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Kathmandu to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:45 pm - 10:05 am
KTM
-
IAD
30h 05m2 stops
Multiple Airlines Logo
3:35 pm - 6:35 am
IAD
-
KTM
29h 15m2 stops
$919Multiple Airlines
Thu, Mar 19 - Fri, May 8
Multiple Airlines Logo
1:25 pm - 8:40 am
KTM
-
IAD
29h 00m2 stops
Multiple Airlines Logo
10:55 am - 6:35 am
IAD
-
KTM
33h 55m2 stops
$1,116Multiple Airlines
Wed, May 6 - Mon, Jun 8
Multiple Airlines Logo
10:50 am - 8:10 am
KTM
-
IAD
32h 05m2 stops
Multiple Airlines Logo
10:55 am - 9:50 am
IAD
-
KTM
37h 10m2 stops
$1,161Multiple Airlines
Thu, Feb 19 - Sat, Jul 25
KLM Logo
5:10 pm - 4:05 pm
KTM
-
IAD
33h 40m2 stops
KLM Logo
9:45 pm - 2:05 pm
IAD
-
KTM
54h 35m2 stops
$1,183KLM
Wed, Jan 21 - Sun, Jun 7
IndiGo Logo
1:15 pm - 7:20 pm
KTM
-
IAD
40h 50m2 stops
IndiGo Logo
1:20 pm - 1:00 pm
IAD
-
KTM
37h 55m2 stops
$1,210IndiGo
Mon, Feb 9 - Mon, Jun 8
IndiGo Logo
10:50 am - 7:20 pm
KTM
-
IAD
43h 15m2 stops
IndiGo Logo
1:20 pm - 9:50 am
IAD
-
KTM
34h 45m2 stops
$1,226IndiGo
Wed, Feb 4 - Wed, Jul 29
Qatar Airways Logo
7:05 pm - 11:52 pm
KTM
-
BWI
39h 32m2 stops
Qatar Airways Logo
3:27 pm - 8:50 am
BWI
-
KTM
31h 38m2 stops
$1,638Qatar Airways
Wed, Feb 4 - Wed, Jul 29
Qatar Airways Logo
5:40 pm - 11:52 pm
KTM
-
BWI
40h 57m2 stops
Qatar Airways Logo
1:07 pm - 4:25 pm
BWI
-
KTM
41h 33m2 stops
$1,641Qatar Airways
Thu, Jan 22 - Fri, Oct 23
Air India Logo
2:55 pm - 10:59 pm
KTM
-
DCA
42h 49m2 stops
Air India Logo
6:30 am - 8:10 pm
DCA
-
KTM
27h 55m2 stops
$1,657Air India
Wed, Feb 4 - Wed, Jul 29
Air India Logo
10:05 am - 10:59 pm
KTM
-
DCA
47h 39m2 stops
Air India Logo
6:30 am - 4:30 pm
DCA
-
KTM
24h 15m2 stops
$1,701Air India
Thu, Mar 5 - Sat, Aug 15

Qatar Airways flights from Kathmandu to Washington, D.C.

Our best Qatar Airways deals on Kathmandu to Washington, D.C. flight tickets
Qatar Airways
Mar 9
KTM7:05 pmKathmandu Tribhuvan
31h 35m
1 stop
IAD4:55 pmWashington, D.C. Dulles Intl
Aug 24
IAD11:05 amWashington, D.C. Dulles Intl
19h 55m
1 stop
KTM4:45 pmKathmandu Tribhuvan
Qatar Airways
Feb 4
KTM7:05 pmKathmandu Tribhuvan
31h 35m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
Jul 29
IAD11:05 amWashington, D.C. Dulles Intl
19h 55m
1 stop
KTM4:45 pmKathmandu Tribhuvan
Qatar Airways
Mar 6
KTM7:05 pmKathmandu Tribhuvan
31h 35m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
Aug 16
IAD9:00 pmWashington, D.C. Dulles Intl
26h 05m
1 stop
KTM8:50 amKathmandu Tribhuvan

KLM flights from Kathmandu to Washington, D.C.

Our best KLM deals on Kathmandu to Washington, D.C. flight tickets
KLM
Jan 21
KTM5:10 pmKathmandu Tribhuvan
33h 40m
2 stops
IAD4:05 pmWashington, D.C. Dulles Intl
Jun 7
IAD9:45 pmWashington, D.C. Dulles Intl
54h 35m
2 stops
KTM2:05 pmKathmandu Tribhuvan
KLM
Jan 21
KTM5:10 pmKathmandu Tribhuvan
33h 40m
2 stops
IAD4:05 pmWashington, D.C. Dulles Intl
Jun 8
IAD9:45 pmWashington, D.C. Dulles Intl
54h 35m
2 stops
KTM2:05 pmKathmandu Tribhuvan
KLM
Jan 19
KTM5:10 pmKathmandu Tribhuvan
33h 40m
2 stops
IAD4:05 pmWashington, D.C. Dulles Intl
Jun 7
IAD9:45 pmWashington, D.C. Dulles Intl
54h 35m
2 stops
KTM2:05 pmKathmandu Tribhuvan

momondo Fare Finder

 
Customize your flight search to find flights from Kathmandu to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 4, 2026.
Use the filters below to find and compare flights from Kathmandu to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 3/19

1:45 pm-10:05 am

2 stops30h 05m

Washington, D.C. Dulles Intl

Fri 5/8

3:35 pm-6:35 am

2 stops29h 15m

$919

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 5/6

1:25 pm-8:40 am

2 stops29h 00m

Washington, D.C. Dulles Intl

Mon 6/8

10:55 am-6:35 am

2 stops33h 55m

$1,116

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 2/19

10:50 am-8:10 am

2 stops32h 05m

Washington, D.C. Dulles Intl

Sat 7/25

10:55 am-9:50 am

2 stops37h 10m

$1,161

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 1/21

5:10 pm-4:05 pm

2 stops33h 40m

Washington, D.C. Dulles Intl

Sun 6/7

9:45 pm-2:05 pm

2 stops54h 35m

$1,183

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Mon 2/9

1:15 pm-7:20 pm

2 stops40h 50m

Washington, D.C. Dulles Intl

Mon 6/8

1:20 pm-1:00 pm

2 stops37h 55m

$1,210

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Wed 2/4

10:50 am-7:20 pm

2 stops43h 15m

Washington, D.C. Dulles Intl

Wed 7/29

1:20 pm-9:50 am

2 stops34h 45m

$1,226

KathmanduBaltimore

KTM - BWI

KTMBWI

Kathmandu Tribhuvan

Wed 2/4

7:05 pm-11:52 pm

2 stops39h 32m

Baltimore/Washington

Wed 7/29

3:27 pm-8:50 am

2 stops31h 38m

$1,638

KathmanduBaltimore

KTM - BWI

KTMBWI

Kathmandu Tribhuvan

Thu 1/22

5:40 pm-11:52 pm

2 stops40h 57m

Baltimore/Washington

Fri 10/23

1:07 pm-4:25 pm

2 stops41h 33m

$1,641

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Wed 2/4

2:55 pm-10:59 pm

2 stops42h 49m

Washington, D.C. Reagan-National

Wed 7/29

6:30 am-8:10 pm

2 stops27h 55m

$1,657

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Thu 3/5

10:05 am-10:59 pm

2 stops47h 39m

Washington, D.C. Reagan-National

Sat 8/15

6:30 am-4:30 pm

2 stops24h 15m

$1,701

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Kathmandu to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Kathmandu when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $1,544 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Kathmandu for as low as $1,329 on momondo.

Can stopping save me money on Kathmandu to Washington, D.C. flights?

You could potentially save up to 35% on your flight if you consider stops on a Kathmandu to Washington, D.C. flight.

How have Kathmandu to Washington, D.C. flight prices changed over time?

As of January 2026, prices for Kathmandu to Washington, D.C. flights are approximately 25% more expensive when compared to flights at the same time last year.

When to book flights from Kathmandu to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Kathmandu to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kathmandu to Washington, D.C. (KTM to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kathmandu to Washington, D.C.

Fastest flight time

29h 00m

Direct flights

None
The fastest flight from Kathmandu to Washington, D.C. takes 29h 00m
There are no direct flights from Kathmandu to Washington, D.C.. There are no popular flight routes from Kathmandu to Washington, D.C..
  • How far is Kathmandu Tribhuvan to Washington, D.C. by plane?

    A flight from Kathmandu Tribhuvan to Washington, D.C. will travel around 7689.5 mi. A reasonable flight in good conditions will take 29h 00m.

  • When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?

    Prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C. are refreshed on a daily basis.

  • How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?

  • How old do you have to be to fly from Kathmandu Tribhuvan Airport to Washington, D.C.?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Kathmandu to Washington, D.C.?

Best airlines flying from Kathmandu to Washington, D.C.

Compare and see reviews for airlines that fly from Kathmandu to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
IndiGoPriceFrom $947Free CancellationRating
6.8
514 reviews
Search IndiGo flights
Air IndiaPriceFrom $1,150Free CancellationRating
5.5
2,972 reviews
Search Air India flights
Turkish AirlinesPriceFrom $1,238Free CancellationRating
7.3
4,149 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,322Free CancellationRating
7.4
3,697 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,508Free CancellationRating
8.1
3,455 reviews
Search Emirates flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Rockville
Gaithersburg
Manassas
Fairfax
Springfield
Glen Burnie
Reston
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from Kathmandu to Washington, D.C.?

Finding the right flight to Washington, D.C. from Kathmandu is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Kathmandu to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Kathmandu with this policy.

How can momondo help me find flights from Kathmandu to Washington, D.C.?

Once you have performed a search for Kathmandu to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Kathmandu to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Kathmandu. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 2/3
Tue 2/10

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.